workflow: setup eslint for prohibited syntax and globals

fix #1285

packages/vue/src/index.ts

@@ -4,7 +4,7 @@ import './devCheck'
 import { compile, CompilerOptions, CompilerError } from '@vue/compiler-dom'
 import { registerRuntimeCompiler, RenderFunction, warn } from '@vue/runtime-dom'
 import * as runtimeDom from '@vue/runtime-dom'
-import { isString, NOOP, generateCodeFrame } from '@vue/shared'
+import { isString, NOOP, generateCodeFrame, extend } from '@vue/shared'
 
 const compileCache: Record<string, RenderFunction> = Object.create(null)
 
@@ -39,25 +39,30 @@ function compileToFunction(
     template = el ? el.innerHTML : ``
   }
 
-  const { code } = compile(template, {
-    hoistStatic: true,
-    onError(err: CompilerError) {
-      if (__DEV__) {
-        const message = `Template compilation error: ${err.message}`
-        const codeFrame =
-          err.loc &&
-          generateCodeFrame(
-            template as string,
-            err.loc.start.offset,
-            err.loc.end.offset
-          )
-        warn(codeFrame ? `${message}\n${codeFrame}` : message)
-      } else {
-        throw err
-      }
-    },
-    ...options
-  })
+  const { code } = compile(
+    template,
+    extend(
+      {
+        hoistStatic: true,
+        onError(err: CompilerError) {
+          if (__DEV__) {
+            const message = `Template compilation error: ${err.message}`
+            const codeFrame =
+              err.loc &&
+              generateCodeFrame(
+                template as string,
+                err.loc.start.offset,
+                err.loc.end.offset
+              )
+            warn(codeFrame ? `${message}\n${codeFrame}` : message)
+          } else {
+            throw err
+          }
+        }
+      },
+      options
+    )
+  )
 
   // The wildcard import results in a huge object with every export
   // with keys that cannot be mangled, and can be quite heavy size-wise.